/*
 * Copyright 2022 Singularity Data
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
export function iter(n, step) {
  for (let i = 0; i < n; ++i) {
    step(i);
  }
}

export function newNumberArray(length){
  let rtn = [];
  iter(length, () => {
    rtn.push(0);
  })
  return rtn;
}

export function newMatrix(n) {
  let rtn = [];
  iter(n, () => {
    rtn.push([]);
  })
  return rtn;
}